P0AC4 GMC code

The P0AC4 error code would start indicating that hybrid powertrain control module has set an emission associated hybrid powertrain code. The hybrid powertrain control module would send a message via serial data circuit to the engine control module (ECM) requesting illumination of the Malfunction Indicator Light (MIL).

What does P0AC4 code mean?

Zitat von Youtube: P0ac4 is a diagnostic trouble code for hybrid or ev powertrain control module requested malfunction indicator lamp elimination. Under this circumstance. Stop driving and repair your vehicle

How much is a hybrid powertrain control module?

The average cost for a Powertrain Control Module Replacement is between $467 and $510 but can vary from car to car.

How do I fix code P0AC4?

How To Correct P0AC4 Hybrid Powertrain Control Module Requested MIL Illumination

  1. It is essential to restore the flawed hybrid powertrain control module.
  2. Repair or replace the quirky hybrid powertrain control module circuit.
  3. Rehabilitate the defaults in the ECM.

What is battery module deterioration?

The battery’s condition is monitored by dedicated control module, or electronic control unit (ECU). The ECU calculates the resistance (and therefore the condition) of the battery. If the ECU sees resistance has exceeded specification, it determines the battery has deteriorated.

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How do I know if I need to replace my PCM?

What Are the Symptoms of a Faulty PCM?

  1. Your “check engine” light is on.
  2. Other warning lights may be on, including traction control and ABS.
  3. You lose fuel economy for no apparent reason.
  4. Your car stutters when starting, requires multiple attempts, or won’t start at all.
  5. Stuttering or stalling during idling.

Is there a fuse for the ECM?

The ECM 1 is one such computer; it has a fuse is installed to protect the computer from sudden power surges or other component damage — the fuse will blow before any damage can reach the ECM. Many component defects can cause your ECM 1 fuse to blow.

What is the purpose of a powertrain?

A powertrain is an assembly of every component that pushes your vehicle forward. Your car’s powertrain creates power from the engine and delivers it to the wheels on the ground. The key components of a powertrain include an engine, transmission, driveshaft, axles, and differential.

How much does it cost to replace a powertrain control module?

between $920 and $997

The average cost for powertrain control module replacement is between $920 and $997. Labor costs are estimated between $75 and $94 while parts are priced between $845 and $903. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location.

How much does it cost to fix a powertrain system?

Depending on the type of vehicle, the powertrain repair cost can be anywhere between $60 and $2500. A simple routine service can be the difference between a fully functioning vehicle and a vehicle that needs a complete transmission rebuild or replacement.

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How much does it cost to fix PCM?

between $885 and $966

Average Costs of a PCM Replacement



According to RepairPal, the average cost of a PCM replacement can come out anywhere between $885 and $966, although dealership prices can be as high as $1,600 in parts and labor.